#include <iostream>
using namespace std;
int main()
{
    //加减乘除
    //注意两个整数相除，只保留整数部分
    int a1 = 10;
    int b1 = 22;

    double c1 = 10;
    double  c2 = 22;
    double  c3 = 1.2;
    double  c4 = 0.3;
    cout<<a1 + b1<<endl;
    cout<<a1 - b1<<endl;
    cout<<a1 * b1<<endl;
    cout<<a1 / b1<<endl;
    cout<<c1 / c2<<endl;
    cout<<c3 / c4<<endl;

    system("pause");
    return 0;
}